diff options
Diffstat (limited to 'gcc/fortran/interface.c')
| -rw-r--r-- | gcc/fortran/interface.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c index a3c3acc..30706d4 100644 --- a/gcc/fortran/interface.c +++ b/gcc/fortran/interface.c @@ -1096,7 +1096,8 @@ compare_parameter (gfc_symbol * formal, gfc_expr * actual, return compare_interfaces (formal, actual->symtree->n.sym, 0); } - if (!gfc_compare_types (&formal->ts, &actual->ts)) + if (actual->expr_type != EXPR_NULL + && !gfc_compare_types (&formal->ts, &actual->ts)) return 0; if (symbol_rank (formal) == actual->rank) @@ -1235,7 +1236,8 @@ compare_actual_formal (gfc_actual_arglist ** ap, return 0; } - if (compare_pointer (f->sym, a->expr) == 0) + if (a->expr->expr_type != EXPR_NULL + && compare_pointer (f->sym, a->expr) == 0) { if (where) gfc_error ("Actual argument for '%s' must be a pointer at %L", @@ -1291,6 +1293,11 @@ compare_actual_formal (gfc_actual_arglist ** ap, if (*ap == NULL && n > 0) *ap = new[0]; + /* Note the types of omitted optional arguments. */ + for (a = actual, f = formal; a; a = a->next, f = f->next) + if (a->expr == NULL && a->label == NULL) + a->missing_arg_type = f->sym->ts.type; + return 1; } |